[Lldb-commits] [lldb] [lldb-dap] show dialog when executable is not found (PR #104711)

[via lldb-commits]

https://github.com/Da-Viper created https://github.com/llvm/llvm-project/pull/104711

Fixes #103043 

>From 0b84d36d320a58a13ca98bd1b1c186c72bbe63e2 Mon Sep 17 00:00:00 2001
From: Ezike Ebuka <yerimyah1 at gmail.com>
Date: Sun, 18 Aug 2024 15:26:11 +0100
Subject: [PATCH] [lldb-dap] vscode now shows a dialog when the dab-executable
 is not found

---
 lldb/tools/lldb-dap/src-ts/extension.ts | 29 ++++++++++++++++++++++---
 1 file changed, 26 insertions(+), 3 deletions(-)

diff --git a/lldb/tools/lldb-dap/src-ts/extension.ts b/lldb/tools/lldb-dap/src-ts/extension.ts
index 791175f7b46224..c7802eed2a513b 100644
--- a/lldb/tools/lldb-dap/src-ts/extension.ts
+++ b/lldb/tools/lldb-dap/src-ts/extension.ts
@@ -1,4 +1,5 @@
 import * as vscode from "vscode";
+import * as fs from "node:fs/promises";
 import { LLDBDapOptions } from "./types";
 import { DisposableContext } from "./disposable-context";
 import { LLDBDapDescriptorFactory } from "./debug-adapter-factory";
@@ -17,10 +18,32 @@ function createDefaultLLDBDapOptions(): LLDBDapOptions {
       const path = vscode.workspace
         .getConfiguration("lldb-dap", session.workspaceFolder)
         .get<string>("executable-path");
-      if (path) {
-        return new vscode.DebugAdapterExecutable(path, []);
+
+      if (!path) {
+        return packageJSONExecutable;
+      }
+
+      try {
+        const fileStats = await fs.stat(path);
+        if (!fileStats.isFile()) {
+          throw new Error(`Error: ${path} is not a file`);
+        }
+      } catch (err) {
+        const error: Error = err as Error;
+        const openSettingsAction = "Open Settings";
+        const callBackValue = await vscode.window.showErrorMessage(
+          error.message,
+          { modal: true },
+          openSettingsAction,
+        );
+        if (openSettingsAction === callBackValue) {
+          vscode.commands.executeCommand(
+            "workbench.action.openSettings",
+            "lldb-dap.executable-path",
+          );
+        }
       }
-      return packageJSONExecutable;
+      return new vscode.DebugAdapterExecutable(path, []);
     },
   };
 }